title: [Nested case-control study on riboflavin levels in blood and urine and the risk of lung cancer].
mesh_terms: D016022:Case-Control Studies; D002681:China / Q000453:epidemiology; D003404:Creatinine / Q000652:urine; D004912:Erythrocytes / Q000201:enzymology; D005260:Female; D005980:Glutathione Reductase / Q000097:blood; D006801:Humans; D008175:Lung Neoplasms / Q000097:blood* / Q000453:epidemiology* / Q000652:urine; D008297:Male; D008906:Mining; D016273:Occupational Exposure; D012256:Riboflavin / Q000097:blood* / Q000652:urine; D012307:Risk Factors; D014001:Tin
chemical_list: D014001:Tin; D003404:Creatinine; D005980:Glutathione Reductase; D012256:Riboflavin